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Materials Data on H8Se(NO2)2 by Materials Project

(NH4)2SeO4 is Iron carbide-derived structured and crystallizes in the monoclinic C2/m space group. The structure is zero-dimensional and consists of eight ammonium molecules and four SeO4 clusters. In each SeO4 cluster, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.67–1.69 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the second O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom.

36 MATERIALS SCIENCE↗